Bulgaria
| Country: | Bulgaria |
| Type: | Postage stamps |
| Series: | Collection of Existing Substances |
| Nominal: | 4 лв |
| Year: | 1945 |
| Perforation: | comb 13 |
Collection of Existing Substances
 Imprint: Collects rags of all kinds |  Imprint: Collects rags of all kinds |  Imprint: Collects rags of all kinds 0.07$ |